About level three.

Music Box (Musical box) is a mechanical sounding musical instrument. It was invented by Swiss watchmaker Antoine Fabre in 1796. It can automatically play music by turning the chain link in the box. This antique is collected in the Shanghai Music Box Treasures Exhibition Hall.

Related as follows

The music box is also called the music box. The origin of the music box can be traced back to the European Renaissance in the Middle Ages. At that time, in order to make the church bell tower tell time, large and small clocks were equipped with mechanical devices, which were called "sounding bells." In 1598, Italian Jesuit Matteo Ricci came to Beijing for the first time, and among his gifts was a music instrument.

In 1796, the invention of a Geneva clockmaker brought revolutionary changes to the mechanical music box, allowing the size of the music box to be reduced to the limit, and it was successfully developed in the following century. In the same year, Swiss watchmaker Antoine Fabre developed the cylindrical music box, which is the oldest music box in the world. This antique is collected in the Shanghai Music Box Treasures Exhibition Hall. In 1870, a German inventor created the first disk-type music box.

The national piano grading examination is divided into 10 levels

The piano grading examination has a total of 5 items, and each item must be tested.

1. Basic exercises, including scales and arpeggios in different keys. During the exam, the invigilator randomly selects a group of songs.

2. One etude.

3. A work from the Baroque period.

4. One large piece of music (i.e. sonata).

5. One piece of Chinese and foreign music.